.loading-mask {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: all .5s;
  z-index: -100;
  opacity: 0;
  &.show {
    z-index: 9999999;
    opacity: 1;
    background-color: rgba(0, 0, 0, .5);
  }
  .anticon {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 40px;
    color: #00b38c;
  }
}